MESON Chess Problem Database
Problem Display
PID: 60088 (6r1/1nB5/bR6/3k2p1/1Q6/1N1r1N2/K2p2R1/7B w - - 0 1)
Pilchenko, Viacheslav Karlovich
4th Prize, Moscow Ty., 1999
#2
8 + 7
| 23 | Die Schwalbe | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rxb3
- 2.Qd4#
- 1...Rc3
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rxf3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Ra8
- 2.Rxg5#
- 1...Rb8
- 2.Rxg5#
- 1...Rc8
- 2.Rxg5#
- 1...Rd8
- 2.Rxg5#
- 1...Rh8
- 2.Rxg5#
- 1...Sa5
- 2.Rd6#
- 1...Sc5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sd8
- 2.Rd6#
- 1...Rxb3
- Tries
- 1.Se1?
- threat
- 2.Rxd2#
- 2.Rxg5#
- 1...dxe1Q
- 2.Rxg5#
- 1...dxe1S
- 2.Rxg5#
- 1...dxe1B
- 2.Rd2#
- 2.Rxg5#
- 1...dxe1R
- 2.Rxg5#
- 1...d1Q
- 2.Rxg5#
- 1...d1S
- 2.Rd2#
- 2.Rxg5#
- 1...d1B
- 2.Rxg5#
- 1...d1R
- 2.Rd2#
- 2.Rxg5#
- 1...Rf3
- 2.Qd4#
- 1...Rg3
- 2.Rxd2#
- 2.Rxg3#
- 2.Qd4#
- 1...Re8
- 2.Rxg5#
- 1...Rf8
- 2.Rxg5#
- 1...Rh8
- 2.Rxg5#
- 1...Sc5
- 2.Rxg5#
- 1...g4
- 2.Rxd2#
- 1...Sd6!
- threat
- 1.Sg1?
- threat
- 2.Rxd2#
- 2.Rxg5#
- 1...d1Q
- 2.Rxg5#
- 1...d1S
- 2.Rd2#
- 2.Rxg5#
- 1...d1B
- 2.Rxg5#
- 1...d1R
- 2.Rd2#
- 2.Rxg5#
- 1...Rf3
- 2.Qd4#
- 1...Rg3
- 2.Rxd2#
- 2.Rxg3#
- 2.Qd4#
- 1...Re8
- 2.Rxg5#
- 1...Rf8
- 2.Rxg5#
- 1...Rh8
- 2.Rxg5#
- 1...Sc5
- 2.Rxg5#
- 1...g4
- 2.Rxd2#
- 1...Sd6!
- threat
- 1.Sh2?
- threat
- 2.Rxd2#
- 2.Rxg5#
- 1...d1Q
- 2.Rxg5#
- 1...d1S
- 2.Rd2#
- 2.Rxg5#
- 1...d1B
- 2.Rxg5#
- 1...d1R
- 2.Rxg5#
- 1...Rf3
- 2.Qd4#
- 1...Rg3
- 2.Rxd2#
- 2.Rxg3#
- 2.Qd4#
- 1...Re8
- 2.Rxg5#
- 1...Rf8
- 2.Rxg5#
- 1...Sc5
- 2.Rxg5#
- 1...g4
- 2.Rxd2#
- 1...Sd6!
- threat
- 1.Sh4?
- threat
- 2.Rxd2#
- 2.Rxg5#
- 1...gxh4
- 2.Rg5#
- 1...d1Q
- 2.Rxg5#
- 1...d1S
- 2.Rd2#
- 2.Rxg5#
- 1...d1B
- 2.Rxg5#
- 1...d1R
- 2.Rxg5#
- 1...Rf3
- 2.Qd4#
- 1...Rg3
- 2.Rxd2#
- 2.Rxg3#
- 2.Qd4#
- 1...Re8
- 2.Rxg5#
- 1...Rf8
- 2.Rxg5#
- 1...Sc5
- 2.Rxg5#
- 1...g4
- 2.Rxd2#
- 1...Sd6!
- threat
- 1.Sxg5?
- threat
- 2.Rxd2#
- 2.Qe4#
- 1...Rxb3
- 2.Rxd2#
- 1...Rxg5
- 2.Rxg5#
- 1...Sd6
- 2.Qc5#
- 1...d1Q
- 2.Qe4#
- 1...d1S
- 2.Rd2#
- 2.Qe4#
- 1...d1B
- 2.Qe4#
- 1...d1R
- 2.Qe4#
- 1...Re3
- 2.Rxd2#
- 2.Qd4#
- 1...Rf3
- 2.Qd4#
- 2.Qe4#
- 1...Rd4
- 2.Rxd2#
- 2.Qxd4#
- 1...Rf8
- 2.Qe4#
- 1...Rh8
- 2.Qe4#
- 1...Bc4
- 2.Rxd2#
- 1...Sc5
- 2.Qxc5#
- 1...Re8!
- threat
- 1.Rxd2?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sh4#
- 2.Se5#
- 2.Sxg5#
- 1...Rxd2+
- 2.Sfxd2#
- 1...Sd6
- 2.Rxd6#
- 1...Re8
- 2.Se5#
- 1...Rh8
- 2.Sh2#
- 2.Sh4#
- 1...Sc5
- 2.Rd6#
- 1...g4
- 2.Se1#
- 2.Sg1#
- 2.Sh2#
- 2.Sh4#
- 2.Se5#
- 2.Sg5#
- 1...Rf8!
- threat
- 1.Re2?
- threat
- 2.Re5#
- 2.Qe4#
- 1...Rxb3
- 2.Re5#
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Sfxd4#
- 2.Re5#
- 2.Qxd4#
- 1...Bc4
- 2.Re5#
- 1...Sc5
- 2.Re5#
- 2.Rd6#
- 2.Qxc5#
- 1...Sd6
- 2.Re5#
- 2.Rxd6#
- 2.Qc5#
- 1...Re8!
- threat
- 1.Rg4?
- threat
- 2.Qe4#
- 1...Rxb3
- 2.Rd4#
- 2.Qd4#
- 1...Sd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Re3
- 2.Rd4#
- 2.Qd4#
- 1...Rd4
- 2.Sfxd4#
- 2.Rxd4#
- 2.Qxd4#
- 1...Bc4
- 2.Qxc4#
- 1...Sc5
- 2.Rd6#
- 2.Qxc5#
- 1...Re8!
- threat
- 1.Qc5+?
- 1...Ke4
- 2.Rg4#
- 1...Sxc5!
- 1...Ke4
- 1.Se1?
- Keys
- 1.Sfxd2!
- threat
- 2.Rxg5#
- 2.Qe4#
- 1...Rxd2+
- 2.Rxd2#
- 1...Rxb3
- 2.Rxg5#
- 1...Sd6
- 2.Qxd6#
- 1...Re3
- 2.Rxg5#
- 2.Qd4#
- 1...Rf3
- 2.Qd4#
- 2.Qe4#
- 1...Rg3
- 2.Rxg3#
- 2.Qd4#
- 2.Qe4#
- 1...Rd4
- 2.Rxg5#
- 2.Qxd4#
- 1...Re8
- 2.Rxg5#
- 1...Bc4
- 2.Rxg5#
- 2.Qxc4#
- 1...Sc5
- 2.Rxg5#
- 2.Qxc5#
- 1...g4
- 2.Qe4#
- threat
- 1.Sfxd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- R(b);N_GUARD,XS(D)::QAR1(F)
- R(b);N_GUARD::QAR1(F)
- R(b);N_GUARD,XS(E)::QAR1(F)
- R(b);N_GUARD::QAR1(F),XR(b)
- R(g);N_GUARD::R(C),XP(d)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(a);XS(E)::B(A)+R(C),DCHECK,XP(d)
- P(a);::B(A)+R(C),DCHECK,XP(d)
- R(b);N_GUARD::QAR1(F)
- R(g);::B(A)+R(C),DCHECK,XP(d)
- S(f);::B(A)+R(C),DCHECK,XP(d)
- P(d);::B(A)+R(C),XP(a)
- Refutation
- S(f);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(a);::B(A)+R(C),DCHECK,XP(d)
- R(b);N_GUARD::QAR1(F)
- R(g);::B(A)+R(C),DCHECK,XP(d)
- S(f);::B(A)+R(C),DCHECK,XP(d)
- P(d);::B(A)+R(C),XP(a)
- Refutation
- S(f);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(a);::B(A)+R(C),DCHECK,XP(d)
- R(b);N_GUARD::QAR1(F)
- R(g);::B(A)+R(C),DCHECK,XP(d)
- S(f);::B(A)+R(C),DCHECK,XP(d)
- P(d);::B(A)+R(C),XP(a)
- Refutation
- S(f);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(d);XS(E)::B(A)+R(C),DCHECK
- P(a);::B(A)+R(C),DCHECK,XP(d)
- R(b);N_GUARD::QAR1(F)
- R(g);::B(A)+R(C),DCHECK,XP(d)
- S(f);::B(A)+R(C),DCHECK,XP(d)
- P(d);::B(A)+R(C),XP(a)
- Refutation
- S(f);
- Try
- S(E);XP(d)
- Threat
- DUALS(2)
- Vars
- R(b);XS(D)::B(A)+R(C),DCHECK,XP(a)
- R(g);OGATE,XS(E)::B(A)+R(C),DCHECK,XR(g)
- S(f);N_GUARD::QAR1(F)
- P(a);::QAB1(F)
- R(g);::QAB1(F)
- B(e);P_PINS(D)::B(A)+R(C),XP(a)
- S(f);N_GUARD::QAR1(F),XS(f)
- Refutation
- R(g);
- Try
- R(C);P_PINR(b),XP(a)
- Threat
- DUALS(6)
- Vars
- R(b);CHECK,N_SPINR(b),XR(C)::B(A)+S(E),XR(b)
- S(f);N_GUARD::R1(G),XS(f)
- R(g);::B(A)+S(E)
- S(f);N_GUARD::R1(G)
- Refutation
- R(g);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAR1(F)
- B(e);P_PINS(D)::R1(C)
- Refutation
- R(g);
- Try
- R(C);
- Threat
- QAB1(F)
- Vars
- B(e);N_GUARD,P_PINS(D)::QAB1(F),XB(e)
- Refutation
- R(g);
- Try
- Q(F);CHECK
- Vars
- K(c);S_FLIGHT::R(C)
- Refutation
- S(f);XQ(F)
- Try
- Actual
- S(E);XP(a)
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATE,XS(E)::B(A)+R(C),DCHECK,XR(b)
- R(b);XS(D)::B(A)+R(C),DCHECK,XP(d)
- S(f);N_GUARD::QAR1(F),XS(f)
- R(g);::B(A)+R(C),DCHECK,XP(d)
- P(d);::QAB1(F)
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